diff --git a/httpdocs/src/Service/CalculatorService.php b/httpdocs/src/Service/CalculatorService.php
index 51048ef..9f8b2d5 100644
--- a/httpdocs/src/Service/CalculatorService.php
+++ b/httpdocs/src/Service/CalculatorService.php
@@ -30,7 +30,7 @@ class CalculatorService
         $riskFactor = Utils::$riskPoints[$riskPoints]['factor'];
 
         $recCycleMaintenance = $asset->getCycleMonthsMax();
-        if ((int)($params['maintenance']) === 1 || ((int)$params['check']) === 1 ) {
+        if ((int)($params['maintenance']) === 1 || ((int)$params['check']) === 0 ) {
             $recCycleMaintenance = (int) ($asset->getCycleMonthsMax() * $riskFactor);
             if ($recCycleMaintenance < $asset->getCycleMonthsMin()) {
                 $recCycleMaintenance = $asset->getCycleMonthsMin();